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WikiLambda Vue component for selection of Wikidata Reference types.
@copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
@license MIT
-->
<template>
<div
class="ext-wikilambda-app-wikidata-reference-selector"
data-testid="z-wikidata-reference-selector">
<cdx-select
:default-label="i18n( 'wikilambda-typeselector-label' ).text()"
:selected="selectedValue"
:disabled="disabled || !enumsFetched"
:menu-items="enumValues"
:menu-config="selectConfig"
data-testid="z-wikidata-enum-type-select"
@update:selected="onSelect"
></cdx-select>
</div>
</template>
<script>
const { computed, defineComponent, inject, onMounted } = require( 'vue' );
const Constants = require( '../../../Constants.js' );
const useMainStore = require( '../../../store/index.js' );
// Codex components
const { CdxSelect } = require( '../../../../codex.js' );
module.exports = exports = defineComponent( {
name: 'wl-wikidata-reference-selector',
components: {
'cdx-select': CdxSelect
},
props: {
selectedZid: {
type: String,
default: ''
},
disabled: {
type: Boolean,
default: false
}
},
emits: [ 'select-item' ],
setup( props, { emit } ) {
const i18n = inject( 'i18n' );
const store = useMainStore();
// Constants
const selectConfig = {
visibleItemLimit: 5
};
// Enum data
/**
* Determines whether all Wikidata enum reference types have been fetched.
*
* @return {boolean} True if all enum reference types are fetched, false otherwise.
*/
const enumsFetched = computed( () => Object.keys( Constants.WIKIDATA_REFERENCE_TYPES )
.map( ( k ) => Constants.WIKIDATA_REFERENCE_TYPES[ k ] )
.every( ( zid ) => store.getStoredObject( zid ) ) );
/**
* Retrieves an array of Wikidata enum reference values with their labels and IDs.
*
* @return {Array} An array of objects containing labels and values.
*/
const enumValues = computed( () => Object.keys( Constants.WIKIDATA_REFERENCE_TYPES )
.map( ( k ) => Constants.WIKIDATA_REFERENCE_TYPES[ k ] )
.map( ( zid ) => ( {
label: store.getLabelData( zid ).label,
value: zid
} ) ) );
// Selector display
/**
* Retrieves the value of the selected reference.
*
* @return {string|null} The selected reference value, or null if none is selected.
*/
const selectedValue = computed( () => props.selectedZid || null );
// Actions
/**
* Handles the selection of a value from the dropdown.
* Emits an event to update the parent component with the selected value.
*
* @param {string|null} value - The selected value from the dropdown.
*/
function onSelect( value ) {
// If the already selected value is selected again, exit early
if ( selectedValue.value === value ) {
return;
}
// If a new value is selected, emit the select event.
emit( 'select-item', value || '' );
}
// Lifecycle hooks
onMounted( () => {
// Fetches the Zids for the Wikidata enum reference types when the component is mounted.
const references = Object.keys( Constants.WIKIDATA_REFERENCE_TYPES )
.map( ( k ) => Constants.WIKIDATA_REFERENCE_TYPES[ k ] );
store.fetchZids( { zids: references } );
} );
return {
enumValues,
enumsFetched,
onSelect,
i18n,
selectConfig,
selectedValue
};
}
} );
</script>
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